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    <title>Document</title>
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    <h1>搜索关键字 数据列表 选项列表</h1>

    <input type="text" name="" list="mylist">

    <datalist id="mylist">

          <option value="手机"></option>
          <option value="手表"></option>
          <option value="手环"></option>
          <option value="手镯"></option>
    </datalist>


    
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